海康设备搜索器搜索协议解析

IP及端口准备

本机IP&端口

选择局域网内一个ip及端口，IP一般默认为跟设备同一网关的本机IP，比如192.168.0.72 端口本机则默认绑定37020即可

广播IP及端口

局域网广播IP ：239.255.255.250 端口：37020

报文情况

本机发送

代码语言：javascript复制

<?xml version="1.0" encoding="utf-8"?>
<Probe>
	<!--随意生成UUID，每次发送报文不一样-->
	<Uuid>8282F1DB-2FA6-4709-B261-3C6B6A48CA17</Uuid>
	<Types>inquiry</Types>
</Probe>

报文回复

回复格式：

代码语言：javascript复制

<?xml version="1.0" encoding="UTF-8" ?>
<ProbeMatch>
	<!--与发送的uuid一一对应-->
    <Uuid>8282F1DB-2FA6-4709-B261-3C6B6A48CA17</Uuid>
    <Types>inquiry</Types>
    <Encrypt>true</Encrypt>
    <Salt>9bb2be4e49c225d4e57e659ecb97214a1ba295f2f7bec69bba7df83c55cc5e18</Salt>
    <DeviceType>44322</DeviceType>
    <DeviceDescription>DS-7804HQH-K1</DeviceDescription>
    <DeviceSN>DS-7804HQH-K10420190822CCCHD53257168WCVU</DeviceSN>
    <CommandPort>8000</CommandPort>
    <HttpPort>80</HttpPort>
    <MAC>68-6d-bc-ee-f8-f0</MAC>
    <IPv4Address>192.168.1.227</IPv4Address>
    <IPv4SubnetMask>255.255.255.0</IPv4SubnetMask>
    <IPv4Gateway>192.168.1.1</IPv4Gateway>
    <IPv6Address>fe80::6a6d:bcff:feee:f8f0</IPv6Address>
    <IPv6Gateway>::</IPv6Gateway>
    <IPv6MaskLen>64</IPv6MaskLen>
    <DHCP>false</DHCP>
    <AnalogChannelNum>4</AnalogChannelNum>
    <DigitalChannelNum>5</DigitalChannelNum>
    <SoftwareVersion>V3.5.38build 191215</SoftwareVersion>
    <DSPVersion>V5.0, build 191213</DSPVersion>
    <BootTime>2021-05-19 14:31:12</BootTime>
    <OEMInfo>N/A</OEMInfo>
    <Activated>true</Activated>
    <PasswordResetAbility>true</PasswordResetAbility>
    <SyncIPCPassword>true</SyncIPCPassword>
    <PasswordResetModeSecond>true</PasswordResetModeSecond>
    <DeviceLock>true</DeviceLock>
    <SupportGUID>true</SupportGUID>
    <SupportSecurityQuestion>true</SupportSecurityQuestion>
    <SupportHCPlatform>true</SupportHCPlatform>
    <HCPlatformEnable>false</HCPlatformEnable>
    <IsModifyVerificationCode>false</IsModifyVerificationCode>
</ProbeMatch>

注意：如果局域网内搜索到几个设备，这里就会放回几条报文，这些报文的uuid是相同的。

流程简述

搜索器发送搜索广播报文
设备搜到广播后回复广播消息
设备同样发送消息至本机搜索器端口

tcp/ip

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